package com.t9;

import java.io.IOException;
import java.nio.CharBuffer;
import java.util.Random;
import java.util.Scanner;

/**
 * Created by xuyiwei on 2018/7/21.
 */
public class RandomWords implements  Readable{
    private static Random rand = new Random(47);
    private static final char[] capitals =
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
    private static final char[] lowers =
            "abcdefghijklmnopqrstuvwxyz".toCharArray();
    private static final char[] vowels =
            "aeiou".toCharArray();
    private int count;
    public RandomWords(int count) { this.count = count; }
    public int read(CharBuffer cb) {
        if(count-- == 0)
            return -1; // Indicates end of input
        cb.append(capitals[rand.nextInt(capitals.length)]);
        for(int i = 0; i < 14; i++) {
            cb.append(vowels[rand.nextInt(vowels.length)]);
            cb.append(lowers[rand.nextInt(lowers.length)]);
        }
        cb.append(" ");
        return 10; // Number of characters appended
    }
    public static void main(String[] args) {
        Scanner s = new Scanner(new RandomWords(2));
        while(s.hasNext())
            System.out.println(s.next());
    }
}
